vortex ring
21Bubble ring — A bubble ring is an underwater ring vortex where an air bubble occupies the core of the vortex, forming a ring shape. The ring of air as well as the nearby water spins toroidally as it travels through the water, much like a flexible bracelet… …
22Toroidal ring model — The toroidal ring model, known originally as the Parson magneton or magnetic electron, is also known as the plasmoid ring, vortex ring, or helicon ring. This physical model treated electrons and protons as elementary particles, and was first… …
23circular vortex — žiedinis sūkurys statusas T sritis fizika atitikmenys: angl. circular vortex; ring whirl vok. Ringwirbel, m rus. кольцевой вихрь, m pranc. tourbillon annulaire, m …
24Optical vortex — An optical vortex (also known as a screw dislocation or phase singularity) is a zero of an optical field, a point of zero intensity. Research into the properties of vortices has thrived since a comprehensive paper by Nye and Berry, in 1974,[1]… …
25smoke ring — noun A smoking trick where one blows or exhales rings of smoke. A smoke ring persists for a surprisingly long time, illustrating the slow rate at which viscosity dissipates the energy of a vortex …
26fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
27Wirbelringstadium — Dieser Artikel wurde aufgrund von inhaltlichen oder formalen Mängeln auf der Qualitätssicherungsseite des Portals Luftfahrt eingetragen. Dies geschieht, um die Qualität der Artikel aus dem Themengebiet Luftfahrt auf ein akzeptables Niveau zu… …
28Anémométrie en aéronautique — En aéronautique, l anémométrie est la science de la mesure et de l utilisation de la vitesse d un aéronef par rapport à l air. Les techniques anémométriques utilisées légalement à bord des avions et des hélicoptères sont historiquement et jusqu à …
29Bell Boeing V-22 Osprey — V 22 redirects here. For other uses, see V22 (disambiguation). V 22 Osprey …
30Mushroom cloud — created by smoke billows Ascending cloud from Redoubt Vol …
